Change computing and delivery machine.



T. I. POTTER. CHANGE COMPUTING AND DELIVERY MACHINE.

APPLICATION FILED DBO. 27, 1911.

Patented June 3, 1913.

6 BHEETB-SHEBT 1.

T. I. POTTER. CHANGE COMPUTING AND DELIVERY MACHINE. APPLICATION FILED 13130.27, 1911.

6 SHEETS-SHEET 2.

Patentad June 3, 1913.

T. I. POTTER.

CHANGE COMPUTING AND DELIVERY MACHINE.

APPLICATION FILED DEU. 27, 1911. I 1,063,590., yatend June 3,1913.

6 SHEETS-SHEET a.

7 :euses T. I. POTTER.

Patented June 3, 1913.

8 SHEETS-SHEET 4.

CHANGE COMPUTING AND DELIVERY MACHINE. APPLICATION FILED 20110.27, 1911. 1,063,590.

TI I. POTTER. CHANGE COMPUTING AND DELIVERY MAGHINE.

- APPLIUATION FTLED DBO. 27, 1911. I l 1,063,590, Patented June 3, 1913.

T. I. POTTER. CHANGE COMPUTING AND DELIVERY MACHINE.

APPLIOATION FILED 1120.27, 1911.

Patented June 3, 1913.

6 EEEEEEEEEEEE 6.

THOMAS IRVING POTTER, OF PORTLAND, OREGON.

i CHANGE COMPUTING AND DELIVERY MACHIN Specification of Letters Patent.

Patented June 3, 1913.

Application led December 27, 1911. Serial No. 668,031.

To all-whom t may concern l,

Be it known that I, THOMAS IRviNdPo'r- TER, a citizen of the United States, residing at Portland, in the county of Multnomah and State of Oregon, have invented certain new and useful Improvements in .Change Computing and Delivery Machines; and I do hereby declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming a part of this specication, and to the figures and letters of reference marked .t hereon.

This invention relates to change making machines and is especially designed for the purpose of returning change or coins of small denomination for a deposited coin of larger denomination, the tnount of change returned being automat-iczilly determined by the size of the deposited coin. For example, a dime deposited will result in the discharge from the machine of two nickels; a deposit of a twenty-five cent piece will result in the discharge from the machine of one nickel and two dimes The change returned for cach 'coin deposited is dependent directly upon the size or diameter of the deposited coin, and it is one of the objects of the present invention to provide a mechanism which will eliminate wear on the coin and provide mechanical means under the cont-rol of the coin whereby the active functions of ejecting the change is performed.

The machine is more especially designed for use in connection with the so called pay-as-you-enter-cars or for returning change to patrons of amusement places, theI change always embodying coins of proper denomination for the payment ofthe en trance fee.

Referring tothe accompanying drawings Where one type of machine embodying the present invention is illustratedzFigure 1 is a fro-nt elevation-of the machine with a portion of the operating handle broken away. Fig. 2 is a sectional elevation in a verticalplane indicated by the line 2-2 in Fig. 1.

Fig. 3 is a top plane' view with upper wallv of the casing removed and the front in section, some of the parts in this view being broken away to show underlying parts. Fig. 4 is a detail plan of certain portions of the controlling and operating mechanism, with parts broken away and in section. Fig.

5 isa. section looking toward theleft of Fig. -1 substantially in the planes indicated by ghe dotted line Fig. G is a view looking at the front ofthe operating mechanism immediately back of the chute plate, substantially in the plane indicated by the dotted line 6 6 of Fig. 2. Fig. 6a is a detail section in the plane indicated by the dottedline 6*. Fig. 7 is a sectionin plane indicatedby the line 7-7 of Fig. 6, with certain of the parts in elevation and the chute plate and glass front in position. Fig. 8 isa detail section, on a somewhat larger scale of portions of the mechanism illustrated in Fig. 6. Fig. 9 is a section on the line 9-9 of Fig. 8. Fig. 10 is a section on the line 10--10 of Fig. 8.. Fig. 11 is a detail section on line 11-11 of Fig. 6 looking toward the right. Fig. l2 is a section on the line 12--12 of Fig. 6 looking toward the left. Fig. 13 is a rear elevation of the chute plate with those portions of the mechanism which are mounted thereon, this View 4showing the opposite side of the operating mechanism from that shown in Figs. 6 and 8. Fig. 14 is a perspective View, partly broken away and partly in section, illust-rating the arrangement and operation of the parts for setting the selecting mechanism and for loperating the selected ejectors, the frame and bearings being largely omitted.

Like reference characters indicate the same parts in all the views.

The machine 'of the present invention embodies in its construction a coin chute in which coins of all denominations Within the capacity of the machine are deposited, and from which chute they 'may be discharged at the will of the operator either in a direction to reject them or, after they have exerted their control on the change returning mechanism, they are discharged from the chute into a suitable receptacle in the machine and out of reach of the attendant. In the manipulation of the mechanism. the deposited com is detained in the chute by a movable gate which is adapted to be displaced by the coin when the lever is advanced .by the operator and the extent of such displacement effects the control of the change ejecting mechanism whereby the proper amountof change is returned in exchange for the deposited coin. The connections between the movable gate and the coin ejecting mechanism as embodied in the present machine are such that the actual work of ejeeting the coins is performed by the operator through an independent. chain of connections, but the movement. of the gate establishes the con- 'nections whereby the proper ejectors are operated.

Provision is made in the machine for preventing overthrow of the parts in order to guard against the possible return of a greater amount than the value of the deposited coin.

Referring to Fig. l of the drawings, A indicates the front or door portion of a boX or casing (B) said door being preferably provided with a glazed opening (A) through which the coin stacks (C) and the coin chute together with the coin controlling portions of the gates may be seen whereby the presence or absence and character of a coin in osition in the chute may always be observed). At the lower portion of the casing there is provided a change cup (B) for the reception of the change returned for the deposited coin and from which it may be removed by the person to whom it belongs. There also provided in the bottom of the casing a tray or drawer (B2) for. the reception of the deposited coins for which change has been returned.

Immediately within thel front of the casing and preferably at the left-hand side of the same there is mounted, what may be termed, the chute plate (D).- This plate has in its face, immediately adjacent the glass of the door appropriate channels forming a coin chute. At the upper end the channels merge in a single entrance chute (d) While at the lower portion the chute branches, one branch (d) being adapted to conduct coins into the receptacles (B2) and the other branch (d2) into change cup (B) if it appears that the coin should be rejected or no change returned for it.

At the point where the branches (d and d2) of the chute merge each branch is guarded by a gate. The gate (E) on the branch is adapted simply for withdrawal when it is desired that the coin detained by it shall be rejected, but the gate (F) guarding the branch (d) is a movable member which determines by its engagement with the coin the amount of change to be returned for the coin. This gate (F) is in the form of a flat plate or block mounted to slide in ways (f) in the chute plate and provided in its rear face with a projection (f) passing through a slot (f2) in the plate. Said pin constitutes one of the elements of the chain of connections between the mvable gate and the change ejecting mechanism, which will be hereinafter described.

Working in extensions of the ways (f) above the chute is a pusher (G) movable toward and from the gate (F) and between which and the gate (F) the deposited coin is positioned first, by the gate (E) and then by being gripped between the pusher (G) and gate (F). )Vith this construction it is obvious that, if the pusher (G) be given a reciprocation of definite length, the gate (F) will be moved a distance dependent upon the diameter of the particular coin between the pusher and gate.

The pusher (G) is provided with an inwardly extending projection or pin (g) preferably provided with an anti-friction roller (g Fig. 9) adapted to work in a cam slot in an oscillatory cam segment carried by a shaft (H) mounted in bearings in the casing and having on its rear portion a crank arm (H2) connected by a link (H8) with the inner end (H4) of an operating lever or handle (H5). By depressing the handle (H5) it isobvious that the cam segment (H) will be rotated and the pusher advanced and again retracted upon the return of the handle to its normal position.

The coins to be returned as change for the deposited coin are held in coin stacks preferably connected together or formed in a casing (I) which may bc removed from tu machine when so desired, by grasping its handle The coin stacks or receptacles are adapted to contain coins of denominations indicated in Fig. 4, that is to say, the first three stacks counting from the leftliand end are adapted to cont-ainfive cent pieces and the fourth, fifth, and sixth stacks to contain l0, 25e, and 50dl pieces respectively. The stacks normally occupy a slightly inclined position,'as shown in Fig. 5 and at the lower ends they are slotted for the passage of ejectors These ejeetors are suitably mounted to reciprocate in av xed frame (K) and are each provided on the lower side with a projection (7c).

A rocking frame (L) journaled at the bottom of the easing in suitable bearings (Z) is formed at its upper edge with a slide way (L) in which works a selector bar (Mg). The selector bar is provided with upwardly extending projections (m) adapted to move in behind the projections (K) and when in position to engage with the projections, a forward movementl of the rocking frame (L) will advance the ejectors and eject coins from the bottom of the stacks. By a proper formation and spacing of the projections (m) any desired combination of the ejectors may be operated by adjusting the selector bar to proper longitudinal positions on the rocking frame and this adjustment of the selector bar is controlled by the position of the movable member or gate (F) hereinbefore referred to.

The projection (f) on the gate or movable member (F) works in a slot (n) in the end of an arm (N) on a rocking shaft (N) connecting (n) with a slide journaled in the casing. The shaft is provided with a downwardly extending arm (N 2) in engagement through a in and slot N 3). Said slide is provided with an arm or projection (N4) extending in a plane at right angles to the axis of the rocking frame (L) and working in a vertical slot (nt) in one end of the selector bar (M). The movement of the gate (F) is thus communicated to the selec- `tor bar and operates to directly adjust it to proper longitudinal position upon the rocking frame (L) and at the same time the connection between the slide (N3) and the selector bar is such that the rocking frame is free to move on its axis without changing the longitudinal position of the selector bar.

A rocking movement is imparted to the ,frame (L) from the shaft (H) by an arm (L2) carrying a downwardly extending link (L3) pivotally connected at its lower end with slide (L4) mounted in vertical ways (14) and provided with a cam groove (L5). (See dotted lines Fig. 2.) Working in the cam groove (L5) is a projection or antifriction roller ('15) mounted on one end of the rocking frame (L). The cam groove (L5) is so formed that during the first portion of the upward movement of the slide` (L4) the rocking frame remains at rest, but during t-he final portion of said movement the rocking frame is swung toward the front of the machine so as to operate the ejectors. During the first portion of the movement referred to, the selector bar is positioned and during the nal portion of the movement the ejectors are operated.

To prevent the movement of the rockin frame at any time when the projections (mg are not properly positioned 4with relation to the ejector a fixed index (O) is mounted on the casing in position to cooperate with a longitudinal projection (O) onthe select-or bar and form a stop except when the projection (O) is so positioned that the index may pass' through one or the other of the slots or channels (0') in the projection. One of the slots or channels is preferably so positioned that the rocking frame may be swung forwardly when no coin is between the movable members of the coin chute and none of the projections (m) are in position to operate the ejector; thus when no coin has been deposited, the operating handle may make an idle stroke. When a coin of proper diameter is in position one of the slots (o) will register with the fixed index (O) and at such times the proper projection or projections (m) will be inposition for advancing the ejector or ejectors to return change equaling in value the value of the deposited coin. A slug or coin of a different diameter from coins for which the machine is designed to return change will, of course7 position the selector bar so that no slot will register with the fixed index (O) and consequently the machine cannot be operated. v

For returning the ejectors to normal position after being operated, the rocking frame for the selector bar is provided with a wing or wall (L6) lying in front of the projections (c) of the ejector as will be seen by reference to Figs. 4 and 5. The selector bar is also preferably but not necessarily provided with a spring (M5) for returning it to normal position as soon as it passes out of engagement with the fixed index. This spring not only insures the quick return of the selector bar to its normal p0- sition but it also causes the movable gate or.

member (F) to return to its no-rmalposition before the coin chute is opened by the upward movement of the pusher (G). Provision is made wholly independent of the spring, however, for returning these parts to their normal positions in a positive man ner and in the preferred construction the returning devices also act as safety devices for locking the movable member (F) against overthrow due to momentum.

The mechanism -for erforming these functions embodies a locklng late (P) piv otally mounted on the projection (g) of the movable member (G This locking plate (P) works in proximity to the inner face of 'the chute plate (D) and is best seen in Figs.

Fig. 13. The lock plate forms as it were a loose connection whereby when the member (G) is elevated to its highest position the member (F) will be returned to its normal or highest position but the member (G) may be depressed without movement of the member (F) as downward movement will only be imparted to the latter when a coin is interposed between the members.

The lock plate (P) is provided with a series of ratchet teeth (p) adapted to engage a tooth formed by cutting away the sides of the projection (f) at the proper angle (Figs. 6, 8 and 13). The teeth (p) are' normally held so as to engage the projection (f) by spring (p2) bearing against one side of the lock plate (P) and the teeth Y are preferably so cut that one of them will engage the projection (f) at each position where the coin will just fill the space between the two movable members (F-G) with the from the upper member when the coin isA held .between them. In order to release the locking plate from the projection (f) the cam segment (H) is provided with a projection which may be in the form of a screw (p3) adapted to coperate with the side of the locking plate opposite the spring and teeth so as to press said plate away from the projection (f) at the moment when the cam segment reaches the extreme of its for.- ward movement. When so freed from the projection (f) the locking plate is caught and heldagainst the tension of its spring (p2) by a pivoted catch (p4) mounted on the inner face of the chute plate and. having ashoulder (p5 Fig.l`8) to retain the locking plate in its released position as indicated in` dotted lines in Fig.) 13 until it is drawn up above the catch (p4) to the position indicated in full lines. The upper edges of the catch and lower edge of the locking plate are inclined or beveled so as to permit the locking plate to travel downwardly.

Under some circumstances, as for instance on making' a short stroke, the projection (p3) might not be effective to release the locking plate and in order to guard against this contingency the locking plate is pro vided on one end with a cam projection (P) with which a pivoted dog (P2) is adapted to engage to swing the plate on its supporting projection (g) during the upward movement of the locking plate, the position when the dog begins to act to swing the plate being indicated by the full line position of the dog, and the dotted line position of the plate in Fig. 13. During the downward movement of the plate the dog (P2) will beA swung against the tension of its spring to the position indicated by the dotted lines and the plate itself will not be swung on its supporting projection.

The operation of this portion of the mechanism is briefly as ollows: Assuming that a coin which is of smaller diameter than the normal distance between the two movable members is in position in the coin chute, when 'the operatingV handle is pressed downward the upper member (G) will travel until it comes in contact with the coin and during such movement the locking plate will travel downwardly past the projection (f) and at the time when the coin limits the relative movement of the members (Gr-F), said locking plate will be in position to engage with the projection (f) so as to maintain the movable members (F-G) in their relative positions during their continued downward movement. Just as the end of the forward movement of the cam segment is reached the locking plate will be tripped from the projection (f) by the part (p3) and held out of engagement by the catch (p4). When the locking plate is released .the roller (g) on the projection (g) moves into the reverse curve or opposite incline (h5) at the lower end of the cam groove (h) thereby imparting to the upper movable member (G) a slight reverse movement to release the coin and permit it to drop into the branch (d) of the coin chute and during this reverse movement the member (F) is held by the engagement of the selector bar with the fixed index.

The deposited coin is retained in position between the movable members (F -G) and in plain view of the attendant before oper ating the machine by detent or ate (E) which is preferably formed by a orwardly bent flange on a plate or flat frame (R) pivotally mounted on the inner face of the chute plate and projecting forwardlyv through a slot or opening in the plate as shown clearly in Figs. 1, 7 and 13. The gate is held advanced or in its normal position so as to block the entrance of thecoin into the branch (d2) by a coiled spring (r) and it is only adapted to be retracted or withdrawn against the tension of the spring when the operating handle is given a reverse or upward movement from its normal position. When so moved upwardly the operating handle imparts to the cam segment (H.) a reverse movement and the edge of the cam segment rides under an arm (R) on the gate thereby retracting or moving the gate from the position shown in full lines to that shownl in dotted lines in Fig. 7, such movement opening the branch (d2) of the chute to permit of the coin passing directly through the same and out into the change @up (12o.

In order to retain the coin in full view of the attendant and depositor even after the change has been returned for the same so as to avoid any possible dispute with respect to the value of the deposited coin, a gate or detent is provided in the branch (d) in the chute at the point below the entrance to that branch. This gate or detent is indicated by the reference letter (S) and is in construction quite similar to the gate (E) being simi-- larly pivoted on the inner face of the chute plate so as to project forwardly through a slot or opening in the plate extending transversely of the chute. It is held advanced or in a position to intercept a coin passing into the branch (d) by a spring (s) best seen in Fig. 11 and is retracted by a heel (s) of the arm (N) when the lower movable member (F) reaches the highest position of its movement. The coin discharged from between the movable members (F-G) will therefore be caught and held by the gate (S) until the completion of the return movement of the operating handle when the gate (S) would be withdrawn and the coin allowed to pass down into the receptacle (B2).

The normal position of the operating handle is determined by the movable stop which will normally arrest its upward movement but may be depressed by the attendant when 1t is desired to give the handle an abnormal upward movement., for instance, to retract the gate (E) and reject a coin that has been deposited but for some reason is objectionable or not such a coin as the machine is adapted to handle.

Any suitable stop may be employed but that preferred is illustrated in Figs. 6 and 6^. I t consists essentially of a block of fiber or other non-metallic substance (T) fixed on the inner face of the casing Wall above the operating handle and a pivoted block (T) mounted on the handle itself and controlled f rom the outside of the casing by a linger piece (t) located in position to be readily depressed by the operatorsV thumb when he desires to lift the handle beyond its normal position. As a convenient construction the stop (T) may be mounted on the inner ortion of a shaft (t) journaled in bearings upon the operating handle and a suitable spring of any pre `erable construction may be employed for returning it to the upright position, shown in full lines in Fig. 6^, after it has been turned down to thedotted line position for the purpose of permitting an abnormal upward movement of the handle.

To assist in returning the parts after the operating lever or handle has been depressed, a coil spring (U) is attached to the inner face of the casing at one end and at the opposite end secured to the inner end of the operating lever, or in the preferred construction secured to a hook-shaped block (U) which engages the upper edge of the lever and is retained in position by pins (u) and a fixed stop (u), the construction being such that the spring (U) will exert its tension to return the operating lever to normal position, but the stop (u) will prevent the spring from lifting the outer end of the operating lever above its normal position. )Vith this construction even though the movable stop (T) should have been displaced t-he abnormal upward movement of the operating lever must be effected by the attendant and can never occur automatically under the influence lof the returning spring.

The members (F and G) constitute in effect measuring devices whereby the diameter of the deposited coin is measured and by the connections controlled by one of the said members the proper ejectors are operated for returning change in value the equivalent of the deposited coin as determined by its diameter. It therefore becomes unnecessary to provide more than a single measuring mechanism and all coins are deposited in the same entrance chute.

In operation, a coin is deposited in the chute and when it has been inspected by the attendant, the operating lever is depressed resulting first in a downward movement of adapted for handling United States currcncy and is designed for returning change for a dime, 25, 50 and $1. Under these conditions, the smallest amount of change returned is two ciieces for a dime and one tSe piece and two imes for 2.5. Therefore 1t is most convenient to arrange the ejectors so that the ejector for the first two stacks move in unison and they are conveniently connected together. The same is true of the ejectors for the third and fourth st-acks, as is indicated clearly in Figs. 4 and 6 where it will be seen that a single projection (lc) is adapted to operate each pa1r of the ejectors. The fourth ejector, z'. e. that for dimes, is adapted at each operation to eject two dimes instead of a single one. The projections (m) (Fig. 4) on the selector bar are so positioned that a ^longitudinal movement of the bar toward the right will first bring the left-hand projection into position to coperate with the first pair of ejectors thereby returning two 5c pieces for a dime. The second projection (m) is adapted to come into position to engage the projection (7c) on the second pair of ejectors when the movable members (F-G) are relatively positioned by a 25 piece at which time the first projection has moved out of position to engage with the first pair of ejectors with the result that the operation of the machine will discharge two dlmes and a nickel.

The continued movement of the selector bar toward the right (Fig. 4) as determined, for instance, by a 50 piece between the Amembers (F and G)l will bring the third projection (m) into position to coperate with the 25e ejector, but the second projection still remains in position to coperate with the 10 and third 5 ejectors so that the operation of the machine will result in the ejection of one 25 piece,'two 10 pieces and one 5 piece. Further movement as determined by a one dollar coin between the members (F and G) will bring the last projection (m) on the selector bar into position to coperate with the 50e ejector while the two intermediate projections (m) are still in position to coperate with the 25, 10c and third 5 ejectors resulting in the ejection from the machine of one 50, one 25, two 10 pieces and one 5 piece, this being the proper change for one dollar.

Obviously the projections (m) and (lc) may be arranged to give any desired combination for operating the ejectors, 'but this portion of the apparatus constitutes a separate invention which is not claimed specifically herein.

What I claim as new is:-

1. In a change calculating and ejccting machine, the combination with a plurality of coin stacks, an ejector for each stack and a single chute for deposited coins of all denominations for which change is desired, of two members movable relatively toward and from each other in said chute for gaging the diameter of a deposited coin of any denomination, means Jfor moving said members. simultaneously in the same direction and connections intermediate one of said members and the ejectors whereby the ejectors to be operated are selectively determined by the diameter of the deposited coin.

2. In a change calculating and ejecting machine, the combination of a plurality of coin stacks, an ejector for each stack, a single coin chute for the reception of coins of all denominations for which change is desired, members movable relatively toward and from each other in said chute for gaging the diameter of all coins deposited therein, means for moving said members relatively toward each other and. for moving said members simultaneously different distances in the same direction when their relative movement is arrested by interposed coins of diferent diameters and connections cont-rolled by one of said members-for selectively determining which v of the ejectors shall be operated in accordance with the diameter of the coin between said members.

3. .In a change calculating and ejecting machine, the combination with coin stacks and ejectors, and a controlling mechanism for the ejectors embodying members movable relatively toward and from each other,

and simultaneously in the same direction, of

, a single chute for retaining deposited coins of all denominations between said members, means for moving said members toward each other until arrested by the interposed coin and for moving the members simultaneously different distances when their relative movement is arrested by coins of different diameters and selective connections controlled by the member moved by the interposed coin for operating the ejectors.

4. In a changecalculating and eject-ing machine, the combination with coin stacks and ejectors and a chute for deposited coins, of members movable toward and from each other in said chute for gaging the diameter of the deposited coin and simultaneously in t-he same direction to control the ejecting mechanism, means for locking said members against movement away from each other, means for moving said members simultaneonsly in same direction when locked together, connections intermediate one of said members and ejectmg mechanism and a trip for releasing the locking mechanism to permit of the discharge of a coin held between the members.

5. In a change calculating and ejecting machine, the combination with coin stacks, an eject-or for each stack and a chute for coins for which change is desired, of members movable relatively toward and from each other in said chute and between which a deposited coin is adapted to be held, means for moving one of said members toward the other, a lock Jfor connecting said members when their relative movement is arrested by an interposed coin, means for moving said members simultaneously when locked together, a trip for releasing said lock during reverse movement of members and connections intermediate one of said members and ejectors for determining which of the ejectors shall be operated'in accordance with the diameter of the coin held between said members.

6. In a change calculating and ejecting machine, the combination with coin stacks, an ejector for each stack, a chute for coins for which change is desired, and members movable relatively toward and from cach other in said chute for gaging the diameter of a coin interposed between said members and a movable detent for retaining a coin in position between said members, connections intermediate one of said members and ejectors for determining which of the ejectors shall be operated in accordance with the diameter of the deposited coin and an operating lever with connections whereby a movement of the lever in one direction from normal will operate the movable members and ejectors and a movement in the opposite direction from normal will retract the detent to permit of the reject-ion and discharge ofthe deposited coin.

7. In a change calculating and ejecting machine, the combination with coin stacks, an ejector for each stack and a coin chute for deposited coins for which change is desired, of relatively movable members between which the deposited coin is gaged in dialneter, connections intermediate one of said members and ejectors for determining which ejectors shall be operated, means for releasing a coin held between said members, a movable detent for coins discharged from between the members and means for successively operating said members and detent whereby the coin discharged from between the members will be retained in view during the return of the members to normal position.

8. A change calculating machine embodying a coin chute for the reception of coins for which change is desired, a member movable transversely of said chute and adapted to control the amount of change ejected from the machine, a pusher movable toward and from the first mentioned member wherebya coin interposed betweenl said pusher and member will advance the member in proportion to the diameter of the coin and means for holding the said member against return` movement during the initial return movement of the pusher whereby a coin held between the members is released.

9. A cha-nge calculating machine embo-dying members movable relatively toward and from each other and simultaneously in the same direction, means for positioning a coin between said members whereby their rela-- tive position is determined, means for moving said members simultaneously in one direction while positioned by an interposed coin and means for temporarily yretarding the movement of one of said members during the initial return movement of said members whereby a coin held between the members is released.

10. In a change calculating machine, the combination with a coin chute having independent discharge branches and .a movalgle detent guarding one of said branches, menibers movable relatively toward and from each other and simultaneously in the same direction to transfer a coin into position for discharge in the branch of said chute not guarded by the detent, ejecting mechanism controlled'by the relative position of said members, means for advancing one of said members toward the other to grip the interposed coin and transfer the same by a simultaneous movement of the members in the same direction, and means for withdrawing the detent by a. reverse movement of the said member advancing means.

11. In a change making machine, the

combination with a chute for deposited coins for which change is desired, members movable in said chute toward and from each other and simultaneously in the same direction, ejecting mechanism controlled by one of said members and an operating lever, of a segment having a cam thereon for operating the other of said members whereby a coin interposed between the members will cause one to be operated by the other and a lock connecting said members when their relative position has been determined by an interposed coin.

12. In a change calculating and ejecting machine, the combination with stacks for coins, an ejector for each stack, an operating -lever and a chute for deposited coins for which change is desired having a single entrance and two discharge branches, of

Aindependent movable detents in said branches, members 'movable in said chute above said detents for gaging the diameter of the deposited coin, connections intermediate one of the said members and the ejectors, and independent operating connection intermediate said detents and operating handle whereby the detents are withv drawn by movements of the handle in opposite directions, respectively, and the deposited coin may be discharged through either branch of the chute at the will of the operator.

18. In a change calculating machine, the combination with a' coin chute, members movable in right lines in said chute toward and from each other and simultaneously in the same direction, a cam segment for moving one of said members toward and from the other, ejecting mechanism controlled by the other of said members, a locking mechanism between said members embodying a rack bar and tooth whereby the members may be locked together when their relative position is determined by an interposed coin and a projection moved by the cam segment for releasing said lock for permitting the members to separate for the discharge of the interposed coin.

14. In a change making machine, a coin chute having a single entrance and two discharge branches, two independently` movable gates, one normally closing the entrance to each branch in position to direct a coin .into the other branch, coin ejecting mechanism controlled by the, movement of one of said gates, means .for manually operating the gates independently of each other, a third gate located in the branch' below the ejector controlling gate, means for operating it and a transparent cover for said 10. chute and gates whereby coins detained by all-the gates may be observed. v

A 15. In a change making machine, the combination with a coin chute having a single ent-rance and two discharge branches, a 10U gate guarding the entrance to each branch and an operating handle with operating connections whereby movement ofthe handle in one direction will operate one gate and movement in the opposite direction will 1l. operate the other gate, of a movable stop I for holding the handle against movement in one direction, means for displacing said stop, coin stacks and ejectors and means for selectively controlling the ejectors operated 11| by one oit' said gates.

THOMAS IRVING POTTER.

Witnesses:

- T. J. GLovnn, ANNA RHINEMILLER. 

